Jeep Cherokee (XJ): Emission control systems
Jeep Cherokee (XJ) 1984 - 2001 Service Manual > Emission control systems
- On-board diagnostics
- Emission system. Malfunction indicator lamp (mil). State display test mode
- Circuit actuation test mode. Diagnostic trouble codes. Diagnostic trouble code descriptions
- Task manager
- Monitored systems
- Trip definition. Component monitors. Non-monitored circuits
- High and low limits. Load value
- Evaporative emission controls
A/C APPLICATION TABLE
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Other materials:
Five volt sensor supplies-primary
and secondary. Fuel level sensor-pcm input. Engine coolant temperature
sensor-pcm input
Five volt sensor supplies-primary
and secondary
DESCRIPTION
Two different Powertrain Control Module (PCM)
five volt supply circuits are used; primary and secondary.
OPERATION
These 2 circuits will:
supply the required 5 volt power source to the
Crankshaft Position (CKP) sensor.
&n ...